GUWANJI High-Strength 8.8 Grade Carbon Steel Hex Bolt & Washer Combo Set

The GUWANJI High-Strength 8.8 Grade Hex Bolt & Washer Combo Set provides reliable and secure fastening for demanding applications. Each set includes a robust carbon steel hex bolt, a matching nut, a flat washer, and a spring washer, all featuring a durable blackened surface treatment for enhanced corrosion resistance. Designed to meet 8.8-grade strength standards, this combination set ensures superior performance and stability.

Material: Carbon Steel Material Category: Four-part bolt grade: 8.8 Specification: M18-M30 Surface treatment: Black